Thursday, December 16, 2010

Whale Shark (Rhincodon typus)

OVERVIEW   :
           Whale shark or whale shark is the biggest fish in the world. Its length can reach 14 meters and weigh 15 tons. Average size of about 7.6 m whose benefit shall not extend to the Pope. The whale shark has a different name in various places. In Aceh is known as "Sharks Stars" and in other Indonesian regions called "Shark Spotted" because his body has shades of white spots, while in Banten is called "Shark stupid" because the movement is very slow when compared with other sharks.




Classification

Kingdom Animalia (animals)
Phylum Chordata
SubPhylum Vertebrata (vertebrates)
Class Chondrichthyes (cartilaginous fish)
Subclass Elasmobranchii (sharks and rays)
Order Orectolobiformes
Family Rhincodontidae
Genus Rhincodon
Species typus


       Whale sharks have large mouths, the width to achieve the 4 feet (1.4 m) to 3,000 very tiny teeth. Whale Shark is a filter feeder or filter the food is very small through very large gills by opening her mouth wide when swimming and can be up to 1,500 gallons (6000 liters) of water that can disaringnya. The food is plankton, krill, small fish and squid.
HABITAT
 
Whale Shark has a wide distribution and live in hot water at ± 30-40 degrees latitude (the Equator), so even though in the Mediterranean Sea Whale Shark can still be found. It occurs Throughout the Atlantic Ocean, from New York through the Caribbean to central Brazil and from Senegal to the Gulf of Guinea. Also it occurs in the Indian Ocean, Throughout the region, Including the Red Sea and the Arabian Gulf. In the Pacific Ocean it is found from Japan to Australia, off Hawaii, and from California to Chile.

In the world of whale shark can be found at Gladden Spit in Belize; Ningaloo Reef in Western Australia; Útila in Honduras; Donsol, Pasacao and Batangas in the Philippines; off Isla Mujeres and Isla Holbox in Yucatan Mexico. In Indonesia Whale Shark ever found in Ujung Kulon National Park, Sabang Aceh, Sidoarjo and Madura Strait; Nosy Be in Madagascar, Off Reef Tofo in Mozambique, and the Tanzanian is in the Mafia, Pemba and Zanzibar.

Whale sharks are solitary animals, so very rare Whale Shark is found in a large collection. Whale Shark can live near the coast and offshore. Whale sharks spend more of his life near the water surface. It is closely related to food is plankton and other small organisms that reside on the surface.







HOW TO SWIMMING
 
Unlike most other sharks that are fast swimmers, shark whale shark is a slow moving speed does not exceed 5 km / hour. This is because the style of whale shark swim by moving the entire body, unlike most sharks are just moving the tail to move. Whale Shark can dive to depths of 700 meters.



 Whale sharks are not dangerous for divers. Even in some places in the world of whale shark used as objects such as the Bay Islands in Honduras, Thailand, Philippine, Maldives, Red Sea, Western Australia (Ningaloo Reef, Christmas Island), Belize, Tofo Beach Mozambique, Sodwana Bay (Greater St. Lucia Wetland Park), South Africa, the Galapagos Islands, Mexico, Seychelles, West Malaysian, Sri Lanka and Puerto Rico. gang of people to swim and dive in addition to whale shark.

REPRODUCTION

Whale sharks are ovoviviparous animals, which gave birth to little baby measures 60 cm. Whale sharks reach maturity at the age of 30 years and at the age of the whale shark has been able to reproduce. Age whale shark can reach 100-150 years.

 
STATUS

Whale Shark is the target of commercial fisheries in bebepa place. At hongkong whale shark a commodity for meat and finnya as soup ingredients. They are usually caught during these sharks gather. Based Whale Shark IUCN status included in the category of vulnerable / susceptible. All fishing activities such as selling, export and import for commercial purposes has been banned in the Philippines since 1998. In India since 2001. And Taiwan in May 2007. Some biological characters of a whale shark Whale Shark vulnerable to exploitation, including: large size, slow growth, slow to reach sexual maturity, length and age.

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